Submission #623846

#	Time	Username	Problem	Language	Result	Execution time	Memory
623846		qwerasdfzxcl	Cave (IOI13_cave)	C++14	0 / 100	686 ms	464 KiB

cave

#include <bits/stdc++.h>
#include "cave.h"

using namespace std;
typedef long long ll;
int a[5050], ans1[5050], ans2[5050], used[5050];

void exploreCave(int n) {
    for (int i=1;i<=n;i++){
        int ret = tryCombination(a+1);
        if (ret > i || ret==-1) ans1[i] = 1;
        for (int j=0;j<13;j++){
            for (int k=1;k<=n;k++) if (!used[k] && k&(1<<j)){
                a[k] = 1;
            }

            ret = tryCombination(a+1);
            if (ret > i || ret==-1) ans2[i] |= (1<<j);

            for (int k=1;k<=n;k++) if (!used[k] && k&(1<<j)){
                a[k] = 0;
            }
        }

        if (ans1[i]) ans2[i] ^= (1<<13)-1;
        a[ans2[i]] = ans1[i];
        used[ans2[i]] = 1;
    }
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24